PCI: use pci_is_pcie() in pci core

Change for PCI core to use pci_is_pcie() instead of checking
pci_dev->is_pcie.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 33317df..cc617dd 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -116,7 +116,7 @@
 		int ret;
 
 		ret = acpi_pm_device_sleep_wake(&bridge->dev, enable);
-		if (!ret || bridge->is_pcie)
+		if (!ret || pci_is_pcie(bridge))
 			return;
 		bus = bus->parent;
 	}
@@ -131,7 +131,7 @@
 	if (acpi_pci_can_wakeup(dev))
 		return acpi_pm_device_sleep_wake(&dev->dev, enable);
 
-	if (!dev->is_pcie)
+	if (!pci_is_pcie(dev))
 		acpi_pci_propagate_wakeup_enable(dev->bus, enable);
 
 	return 0;